Ibitonyanga byinyoni, amababa, guhindagurika no gukubita - inuma, inkongoro nizindi nyoni birashobora kuba udukoko twangiza niba bahisemo gukoresha amabati, gariyamoshi ya balkoni, imodoka cyangwa amadirishya nkibisanzwe. Barashobora kandi gutwara parasite na virusi.